Q. What does RabbitEars Tools offer?
A. It provides browser-based tools for text processing, timers, calculators, converters, random pickers, name generators, and everyday utility tasks.
Japanese-style · Multi-tool Collection
Every small tool feels like a cozy Japanese workshop
RabbitEars Tools is a free online utility collection for word counting, password generation, BMI checks, countdown timers, unit conversion, date calculations, and name generators. Most tools run locally in your browser with no sign-in required.
42
Tools
8
Categories
✓
100% Free
Quick Answers
Start with the questions people ask first
RabbitEars Tools is a free online utility collection for word counting, password generation, BMI checks, countdown timers, unit conversion, date calculations, and name generators. Most tools run locally in your browser with no sign-in required.
Q. Do I need to install anything or create an account?
A. No. Most tools are ready to use instantly in the browser with no installation, no login, and no setup friction.
Q. Is my input sent to a server?
A. For most tools, no. Features like word counting, password generation, and many calculators run client-side so your content stays on your device.
Q. Which languages are supported?
A. RabbitEars Tools currently supports Traditional Chinese, English, and Japanese across its main pages and tool experiences.
Tool Directory
Available Tools
Lifestyle
(12)What to Eat Today
Pick a meal time and cuisine, spin the wheel, and let fate decide!
Daily Positive Quotes
Pick a category and draw today's positive quote. Let words brighten your day.
Daily Mood Divination
Select how you feel right now and let RabbitEars offer you a word of guidance.
Decision Maker
Enter your options and let the tool decide for you!
Yes / No Decider
Feeling indecisive? Let 兔耳絲 pick for you — press the button and get an instant YES or NO with a matching message.
What to Drink Today
Select the drink shops near you and let fate decide your drink!
Scoreboard
Track scores for any sport or game. Editable team names, period tracker, undo, and multiple themes.
Today's Lucky Item
Press the button and let fate choose today's lucky item to carry with you.
Lucky Number × Lucky Color
Press the button to draw today's lucky number and lucky color pairing — see what message fate is sending you.
Where to Walk Today
Let fate pick today's destination — with suggested time, vibe tags, and a tip for the day.
Outfit Suggestion
Choose the weather feel, your mood, and the occasion — let fate decide today's outfit direction.
Who Does the Chores?
Enter your household members, pick a chore, and let fate decide who tackles it today.
Text Tools
(10)Word Counter
The Word Counter tool allows users to accurately count words and characters in mixed Chinese-English text, additionally providing line, paragraph, and sentence counts along with estimated reading time.
Chinese Lipsum Generator
Choose a style and character count to generate Chinese placeholder text for layout testing, design mockups, and prototyping.
Japanese Lipsum Generator
Choose a style and character count to generate Japanese placeholder text for layout testing, design mockups, and prototyping.
English Lipsum Generator
Choose a style and character count to generate English placeholder text for layout testing, design mockups, and prototyping.
Text Diff Tool
Paste two texts to automatically find and highlight differences. Supports word, line, and character modes — fully client-side.
Line Deduplication
Paste any list and instantly remove duplicate lines. Supports case matching, trim, and sort options.
Case Converter
Type or paste text and instantly see 12 case-conversion formats. Click any result to copy.
QR Code Generator
Enter text or a URL and instantly generate a QR Code. Customize colors, size, and error-correction level, then download as PNG.
Text Scroller
Enter text and choose direction, speed, and color theme for a live scrolling preview. Supports fullscreen display.
JSON Formatter
Paste your JSON and instantly format, minify, or validate it. Syntax highlighting, indent settings, and one-click copy — all in your browser.
Time & Date
(4)Countdown Timer
Set hours, minutes, and seconds to start counting down. Supports fullscreen display, alert sound, and shareable links.
Resignation Countdown
Enter your resignation date and count down to freedom. Supports days, hours, minutes, and seconds display modes. Share the link with friends!
Payday Countdown
Set your monthly payday and count down to your next paycheck. Settings are saved locally so you're ready next time.
Date Difference Calculator
Enter a start and end date to calculate the number of days, weeks, and workdays between them.
Lucky Draw & Random
(3)Random Number Picker
Pick random numbers from a custom range. Single, batch, or sequential — with no-repeat, rolling animation, and download.
Name Picker
Enter a list of names and randomly draw a winner. Supports excluding previous draws. Your list is saved automatically.
Random Serial Generator
Generate bulk unique serial numbers with a custom prefix and suffix. Supports digits-only or alphanumeric. Up to 50,000 serials, fully client-side.
Privacy & Security
(2)Calculators
(3)BMI Calculator
Enter height and weight to instantly calculate your BMI. Displays weight category and health risk based on Asian standards. Supports metric (kg, cm) and imperial (lbs, ft/in).
Age Calculator
Enter your birthday to calculate your exact age, total days, total weeks, and days until your next birthday.
Split Bill Calculator
Easily split bills for group meals, trips, and shared purchases. Add members and expenses — get instant, minimized settlement results.
Unit Converters
(5)Weight Converter
Enter a value and select a unit to instantly convert between metric, imperial, and Chinese weight units including kg, lb, oz, shi jin, and more.
Length Unit Converter
Enter a value and select a unit to instantly convert between metric, imperial, Taiwanese, and Chinese length units.
Temperature Converter
Convert between Celsius, Fahrenheit, Kelvin, and Rankine. Instant results with a full unit reference table.
Area Converter
Convert between metric, imperial, Taiwanese (ping, jia), and Chinese (mu) area units. Instant results with a full unit reference table.
Speed Converter
Convert between m/s, km/h, mph, ft/s, knots, Mach, and speed of light. Instant calculation with a full unit reference table.
Name Generators
(3)Japanese Name Generator
Generate Japanese names with kanji, hiragana, romaji, and meaning. Filter by gender, style, and syllable row. Toggle full name mode.
English Name Generator
Generate English names with phonetic pronunciation and meaning. Filter by gender, style, and starting letter. Toggle full name mode.
Game Character Name Generator
Pick a game genre, pick a gender, and generate up to 12 unique character names — each with phonetics, lore, and a favourites list.